﻿
body {
    width: 100%;
    height: 100%;
    background-color: #ebeef4;
    margin:0 0;
    padding:0 0;
    position:absolute;
    top:0;
    left:0;
    overflow:hidden;
}
.nav {
    float: left;
    width: 12%;
    background: url("../img/mattress_bg.png") no-repeat;
    background-size: 100% 100%;
    height:100%;
    position:relative;
}
.logo{
    width:90%;
    text-align:center;
  margin-top:15%;
}
    .logo img{
        width:50%;
    }

.nav_menu {
    width: 90%;
    text-align:center;
}

.nav_menu ul {
    list-style-type: none;
    width:100%;
    padding:0;
    margin:0;
}
    .nav_menu ul li {
        text-align:center;
        width:90%;
        height:70px;
        line-height:70px;
        color: #fff;
        border-radius: 15px;
        font-size:18px;
    }
        .nav_menu ul li:hover {
            cursor:pointer;
        }
            .nav_menu ul li img {
                width: 17px;
                height: 17px;
                vertical-align:baseline;
                margin:0 2% 0 0;
            }
.nav_footer{
    position:absolute;
    bottom:5%;
    left:0;
    width:80%;
    text-align:right;
    color:#fff;
}
    .nav_footer img{
        width:17px;
        height:17px;
        margin-right:5%;
        vertical-align:middle;
        margin-bottom:5px;
    }

    .hide {
        display: none;
    }

        .main {
        width: 88%;
        height: 100%;
        float: left;
    }
.main_top{
    width:100%;
    height:50px;
    line-height:50px;
    margin:30px;
}

.main_title {
    color: #058dc7;
    font-size: 24px;
    font-weight: bold;
    display:inline-block;
    width:90%;
}
.title_en {
    font-size: 16px;
    font-weight: 500;
}

.return {
    display: inline-block;
    width: 5%;
    cursor: pointer;
    height: 100%;
    line-height: 100%;
    font-size: 20px;
    border-bottom: 3px solid #058dc7;
}
    .return img {
        width: 25px;
        height: 17px;
    }

.main_body{
    width:95%;
    height:100%;
    padding:1% 2%;
}

.main_body iframe{
    width:100%;
    height:100%;
    border:none;
}